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Small white asco on incubated wood

Francois Guay, 29-03-2025 06:21

Hi!

I found this interesting tiny ascomycete on incubated wood from a clear freshwater stream.

-75 µm wide

-Asci 8-spored, IKI–

-Spores: 10–11.5 × 3.6–3.7 µm

Here is the link for photos : https://www.inaturalist.ca/observations/267444259

Any idea what it is? Thank you

Hans-Otto Baral, 29-03-2025 09:52

Re : Small white asco on incubated wood

The hairs clearly point to a Hyaloscypha. I suggest comparison wth H. intacta and the very similar H. minuta, given that the asci are simple-septate.

Francois Guay, 29-03-2025 16:21

Re : Small white asco on incubated wood

Thank you Zotto, I will compare with those 2!

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